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Programmable function generators

P 15] The reservoir of the dielectrophoretic droplet mixer was filled with 1-bromo-dodecane, a low-permittivity, low-viscosity, water-immiscible hydrocarbon [99]. AC signals of up to 180 Vp p and frequencies between 5 and 500 kHz were formed using a programmable function generator and amplified by variable gain amplifiers. [Pg.54]

The electrochemical equipment used for roughening and controlling the surface potential of the silver electrode consists of a potentiostat (PAR, model 173), and a function generator (PAR, model 175) as programmer for the ORC. Furthermore, a digital coulometer is connected to measure the charge transfer during the ORC. [Pg.189]

This type of SERS spectroscopy also requries a potentiostat to maintain the potential of the working electrode and a function generator to programme the oxidation-reduction cycles. Metal colloids, which can be prepared by chemical reduction of metal salts [73], are frequently used substrates for SERS experiments. This type of SERS spectroscopy is performed with a conventional Raman cell for liquids, or with capillary tubes. [Pg.269]

In addition to the functions outlined above, the computer is also used to generate requests for new samples, validate results, perform statistical analyses of experimental data, and finally produce a report sheet setting out all the relevant information in tabular form. The fact that the computer is required to handle such a diversity of different tasks, many of which, must be performed simultaneously, necessitates the use of sophisticated software. The relationship between the analytical procedures, the computer files, and the control programme BRANDER is shown in Fig. 23. [Pg.41]

Function does the programme match the assigned operational function (e.g. generate batch documentation, different batches of material used in a batch listed) ... [Pg.146]


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See also in sourсe #XX -- [ Pg.139 ]




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